信任度下的区块链数据非对称加密安全传输方法

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中图分类号：TP309 文献标志码：A DOI：10. 3969/j. issn.1673-3819.2025.06.018

引用格式：.信任度下的区块链数据非对称加密安全传输方法[J].指挥控制与仿真，2025，47（6）：129-135.XUE Y.SecuretransmisionmethodofasymmetricencptionofblockchindataundertrustdegJ].CommandControl&Simulation，O5，47（6）：129-135.

Secure transmission method of asymmetric encryption of blockchain data under trust degree

XUE Ying

（ShaanxiPoliceCollegeBigDataSmartPolicingResearchCenterofShaanxiProvincialUniversity，Xi'an7Oo21，China） Abstract：Inorder tosolvetheproblem thatblockchaindatacannotbetamperedwithafterbeinguploaded，which willincrease the risk of privacyleakage，anasymmetricencryptionand secure transmision methodofblockchaindata under trust is proposed.Through directtrust measurementandasymmetric keymechanism，data procesing isoptimizedandtransmission securityisenhanced.Authenticateencrypteddataintheblockchainorganization，distributekeyinformation，determinethe numberof transmissonrounds，and designasecure transmisionmethod.Through thesimulation experimenton Ethereum platform，thedata encrptionanddecryptionprocessing abilityandnode identityauthentication abilityunder diferentencryption methods arecomparedandanalyzed.The experimentalresults showthatthe encryptionand decryptionrateof asymmetricencryptionmethodconsidering trust isclosetothestandard packetrate，andthemaximumvalueofdatapacket is461 byteand the minimum valueis399 byte，which is always withinthepredetermined standardrange，showing high processing efficiency and security.Theaccuracy ofauthenticationis 97.5% ，therecall rate is 98. 1% ，and the F1 scoreis 0.977 .Itis provedthat this methodcan efectively improve thesecurityofdata transmisionand network performance，while maintaining the high efficiency of data processing.

Key words：trustworthiness；blockchain data；asymmetric encryption；secure transmission；keymechanism；numberof transmission rounds

在数字化和网络化日益深入的现代社会，区块链技术作为一种创新的分布式账本技术，已经广泛应用于金融交易、供应链管理、智能合约等多个领域。（剩余12047字）